74236412 has 12 divisors (see below), whose sum is σ = 131106360. Its totient is φ = 36777456.

The previous prime is 74236397. The next prime is 74236417. The reversal of 74236412 is 21463247.

It is a super-2 number, since 2×74236412² = 11022089733267488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74236417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84698 + ... + 85569.

It is an arithmetic number, because the mean of its divisors is an integer number (10925530).

Almost surely, 2^74236412 is an apocalyptic number.

It is an amenable number.

74236412 is a deficient number, since it is larger than the sum of its proper divisors (56869948).

74236412 is a wasteful number, since it uses less digits than its factorization.

74236412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170380 (or 170378 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 74236412 is about 8616.0554780015. The cubic root of 74236412 is about 420.2802589025.

Adding to 74236412 its reverse (21463247), we get a palindrome (95699659).

The spelling of 74236412 in words is "seventy-four million, two hundred thirty-six thousand, four hundred twelve".